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  <title>Document</title>
  <script>
    //数组转换为字符串
    //1.toString() 将我们的数组转换为字符串
    var arr = [1, 2, 3];
    console.log(arr.toString());
    //2.join(分隔符)
    var arr1 = ['green', 'blue', 'pink'];
    console.log(arr1.join()); // green,blue,pink
    console.log(arr1.join('-'));
    console.log(arr1.join('&'));
  </script>
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